Accepting when today isn’t the day and other strategies that sometimes work

Is there a thing you need or even want to do but can’t seem to get started despite trying very hard to will it into existence? Might I suggest making Not Today an option? A wee bit dangerous because obviously everything can’t work this way but when I’m staring at my computer with a blank, smooth brain and the work just won’t happen, I try to recognize that I could spend 8 hours trying and failing to make my brain do the thing, or be kind to my brain and set that particular task aside for the...